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This test using MIDAS/GTS simulated the effect of shield tunnel excavation on the surrounding pipeline. Numerical analysis of the soil is using Mohr Coulomb model and the pipe and lining Linear elastic model. In the process of simulation, the tunnel stress gradually release are considered and the linings are added gradually at the same time. Fully considering the shield advance displacement of the pipeline to a different location and give full consideration to the shield construction influence on displacement of different buried depth of underground pipeline. The results show that the settlement of pipeline meet certain changes while tunnel excavation to different distances. When the line is not at the same time with the relative position of the tunnel, the settlement of pipeline have relatively obvious changes.

Numerical Simulation Analysis of the Influence of Underground Pipeline by Shield Construction